1. Silicon metal #2202 2. Grade:2202 specification:(10-100)mm; (50-150)mm;(2-25)mm ... , sheet, plate, roil,rod, bar etc.), Silicon Metal(2202, 2502, 3103, 3303, 411, 421, 441, 553 etc.), Manganese Briquette.3. GradeComponentSi(%)min.Impuriry content ...